<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>MVC demo</title>
</head>

<body>
    <div class="page">
        <section id="app1">
            <div class="output">
                <span id="number"></span>
            </div>
            <div class="actions">
                <button id="add1">+1</button>
                <button id="min1">-1</button>
                <button id="mul2">×2</button>
                <button id="div2">÷2</button>
            </div>
        </section>
        <section id="app2">
            <ol class="tabBar">
                <li>tab 1</li>
                <li>tab 2</li>
            </ol>
            <ol class="tabContent">
                <li>content 1</li>
                <li>content 2 </li>
            </ol>
        </section>
        <section id="app3">
            <div class="square">click</div>
        </section>
        <section id="app4">
            <div class="circle">hover</div>
        </section>
    </div>
    
    <script type="module" src="main.js"></script>
</body>

</html>